To provide a water cleaning apparatus having a cleaning unit of such a structure that the position of a dirty water inflow hole arranged on the top surface of the cleaning unit is made to sink and float according to the fluctuation of the water level. 浄化ユニットの上面に設けた汚染水流入孔の位置が、水面のレベルの変動に追随して浮沈する構造の浄化ユニットを有する水質浄化装置を提供する。 - 特許庁
A matter to be washed 6 held by a transport arm 5 is immersed in a washing liquid 4 in a washing tank 10 and oils and fats which are the dirty materials are removed and float up near the liquid surface of the washing liquid 4. 搬送アーム5に保持された被洗浄物6が洗浄槽10中の洗浄液4中に浸漬され、汚れ物質である油脂が離脱され洗浄液4の液面近傍に浮上する。 - 特許庁